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Finding the Fourth Proportional to 61,812, 85,300.56 and 33,517.71

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Solution

The fourth proportional to 61,812, 85,300.56 and 33,517.71 is: 46,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812 : 85,300.56 = 33,517.71 : x
  2. Step 2: Convert to fraction form
    61,812/85,300.56 = 33,517.71/x
  3. Step 3: Cross multiply
    61,812x = 85,300.56 × 33,517.71
  4. Step 4: Simplify right side
    61,812x = 2,859,079,432.92
  5. Step 5: Solve for x
    x = 2,859,079,432.92/61,812
  6. Step 6: Final answer
    x = 46,254.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.